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Dover AC & Heating Company

Heating & Cooling Experts in Dover, DE

The Dover heating and AC experts at One Hour Heating & Air Conditioning® of Dover provide homes and business with reliable repairs and installations combined with world-class customer experiences. As a full-service HVAC company, we provide repairs, installations, and maintenance for air conditioners of all types, heaters, furnaces, and boilers. Whatever your heating and cooling needs, we have qualified experts to make your home comfortable again. Our licensed and insured technicians clean up after themselves while offering results that meet the highest industry standards.

Additionally, our technicians are background checked and drug-screened for your peace of mind. Each technician is highly trained and equipped with a fully-stocked work vehicle, allowing us to handle most repairs on our initial visit. Call (302) 307-6649 24 hours a day to schedule an appointment with our team. Same-day appointments available!

Always on Time or You Don’t Pay a Dime®

What makes our service truly world-class is our exceptionally high standards. That’s why our service calls are backed by our On Time Guarantee and our UWIN Guarantee. Our On Time Guarantee promises that we’ll be on time for your one-hour appointment window, or your service is free. Our UWIN Guarantee backs all our parts, labor, and craftsmanship for two years, ensuring that your repairs and installation are built to last. Our courteous and friendly technicians receiving ongoing training at One Hour, making them some of the best-equipped technicians in the industry. Combined, these commitments are designed to do one thing: give our customers an easy, stress-free, and convenient heating and cooling service in Dover.

Special Offers Backed by Our
100% Satisfaction Guarantee

Always On Time... Or You Don't
Pay A Dime

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

    “I called about a problem with heater in a home I had just purchased, and it turned out that "One Hour" was the company that had installed it just one year prior. They came out to take care of the ...”

    “The installation team was professional and speedy. The appreciation shown to me for being a customer afterward was awesome!”

    “My technicians were friendly and on-time. They didn't try for a hard sell — they just gave me helpful advice.”

    “Their prompt and courteous services are something a lot of tradesmen have forgotten over the years.”

    “No need to wait a week — just call One Hour. When I scheduled, the technicians came the very next morning, on time!”

    “I have had them for 10 plus years, and I can't say enough good things about these people.”

  • Areas We Serve
    • Bear
    • Camden Wyoming
    • Cheswold
    • Clayton
    • Delaware City
    • Dover
    • Dover Afb
    • Felton
    • Frederica
    • Hartly
    • Kenton
    • Kirkwood
    • Magnolia
    • Marydel
    • Middletown
    • New Castle
    • Newark
    • Saint Georges
    • Smyrna
    • Townsend
    • Viola
    • Wilmington
    • Woodside
  • Zip Codes We Serve
    • 19701,  
    • 19702,  
    • 19706,  
    • 19708,  
    • 19709,  
    • 19720,  
    • 19721,  
    • 19733,  
    • 19734,  
    • 19892,  
    • 19901,  
    • 19902,  
    • 19903,  
    • 19904,  
    • 19905,  
    • 19906,  
    • 19934,  
    • 19936,  
    • 19938,  
    • 19943,  
    • 19946,  
    • 19953,  
    • 19955,  
    • 19962,  
    • 19964,  
    • 19977,  
    • 19979,  
    • 19980
We may service additional communities. Please contact us for more information.

Here for You Around the Clock

Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.

Part of the Authority Brands Family